Optimizing GRDB in Todoist for iOS
The hidden cost of LEFT JOINs in GRDB..Deep-dive into fixing iOS sluggishness.
Discover 219 articles on App Performance in mobile performance
Showing 20 of 219 articles (Page 1 of 11)
Project Butter: A Journey for App Performance Improvement
A comprehensive guide to improving App Performance for Mobile Apps
HashMap and Set Performance Optimization in Android Kotlin
Advanced optimization techniques and best practices for using HashMap and Set in Kotlin for improved app performance.
Get your app on the fast track!
All week long, we're providing you with low-effort, high-impact tools and guidance to get your app on the fast track to better performance. We help you lay the foundation and then dive deeper into helping your app become a better version of itself.
Reddit: Making Android Videos Super Fast
Details on how Reddit improved the ExoPlayer library for faster video startup times and better quality.
Optimize your app battery using Android vitals wake lock metric
Explains new Android Vitals wake-lock signal, how to detect & fix excessive partial wake locks to reduce battery drain.
Accelerating our Android apps with Baseline Profiles
How Meta uses Baseline Profiles to speed cold start, scrolling, and navigation; reports up to 40% improvements.
Cancellable Flows in Kotlin Coroutines: The Complete Guide
Flow cancellation patterns (timeout, takeWhile, cancellable, first) & perf notes.
What’s new in the Jetpack Compose August ’25 release
Compose 1.9: improved list prefetching & cache window APIs, visibility callbacks—noticeable scroll/UI performance gains.
Accelerating on-device ML on Meta’s apps with ExecuTorch
WhatsApp/Messenger moved key models on-device; reduced model load & inference time and improved ANR metrics. (Engineering at Meta)
Accelerating on-device ML on Meta’s family of apps with ExecuTorch
ExecuTorch rollout across Instagram/WhatsApp/Messenger/Facebook improved latency and reliability; WhatsApp reports reduced model load/inference time and lower ANR metrics; several features moved on-device for performance/privacy. (Engineering at Meta)
Transforming App Security from Necessary Evil to Performance Advantage
Guardsquare’s CPO shows how profile-based config can improve perf & security together. (droidcon, droidcon nyc 2025)
UNISOC uses ADPF to improve game performance
Case study + note that ADPF is broadly available (Unity/Unreal/Cocos/native) to tune thermal/perf. Last updated Jul 9. (Android Developers)
The Hidden Performance Cost of Excessive Mobile Analytics
How over-instrumentation hurts startup, memory & battery; pragmatic sampling/SDK tips. (droidcon)
Understanding and Improving SwiftUI Performance
New techniques we’re using at Airbnb to improve and maintain performance of SwiftUI features at scale
React Native vs Flutter in 2025?
I am now building a mobile app, and checking what is the better platform for building a cross platform (iOS, Android, Web) in 2025 - React Native or Flutter? I am especially interested in the tooling itself regarding ease of building, uploading to the app stores, etc?
The Ultimate Guide to React Native Optimization 2025 is here! 🔥
The Ultimate Guide to React Native Optimization 2025 is here! 🔥
The Quest to Understand Metric Movements
Suppose you just saw an interesting rise or drop in one of your key metrics. Why did that happen? It’s an easy question to ask, but much harder to answer.
Newer versions of React Native have a less expensive <Text /> component which runs 35% faster.
React Native's <Text /> component historically used context providers and hooks for features like pressability, which added unnecessary overhead
Optimizing React Native: 16 Performance Issues You’re Probably Facing
Jamon Holmgren’s post details common React Native performance issues, building on his earlier thread where he defends React Native’s potential for high performance